Elsevier

Thrombosis Research

Volume 177, May 2019, Pages 1-9
Thrombosis Research

Full Length Article
Deep vein thrombosis in upper extremities: Clinical characteristics, management strategies and long-term outcomes from the COMMAND VTE Registry

https://doi.org/10.1016/j.thromres.2019.02.029Get rights and content

Highlights

  • Deep vein thrombosis (DVT) patients in upper extremities accounted for 3.0%

  • They more often had active cancer and central venous catheter use at diagnosis.

  • They less often had concomitant pulmonary embolism at diagnosis.

  • They had similar long-term risk for recurrence as those in lower extremities.

Abstract

Introduction

There is a paucity of data on patients with deep vein thrombosis (DVT) in upper extremities.

Materials and methods

The COMMAND VTE Registry is a retrospective multicenter registry enrolling 3027 consecutive patients with acute symptomatic venous thromboembolism (VTE) in Japan. The current study population included 2498 patients with upper or lower extremities DVT.

Results

There were 74 patients (3.0%) with upper extremities DVT and 2424 patients with lower extremities DVT. Patients with upper extremities DVT more often had active cancer (58%) and central venous catheter use (22%). The proportion of concomitant pulmonary embolism at diagnosis was lower in patients with upper extremities DVT than in those with lower extremities DVT (14% and 51%, P < 0.001). Discontinuation of anticoagulation therapy was more frequent in patients with upper extremities DVT (63.8% and 29.8% at 1-year, P < 0.001). The cumulative 3-year incidence of recurrent VTE was not different between the 2 groups (9.8% and 7.4%, P = 0.43). After adjusting confounders, the risks of upper extremities DVT relative to lower extremities DVT for recurrent VTE remained insignificant (HR 0.94, 95%CI 0.36–2.01, P = 0.89).

Conclusions

The prevalence of patients with DVT in upper extremities was 3.0% in the current large-scale real-world registry. Patients with DVT in upper extremities more often had active cancer at diagnosis and central venous catheter use as a transient risk factor for VTE, and less often had concomitant PE. Patients with DVT in upper extremities had similar long-term risk for recurrent VTE as those with DVT in lower extremities despite shorter duration of anticoagulation.

Introduction

Venous thromboembolism (VTE), including pulmonary embolism (PE) and deep vein thrombosis (DVT), is a major health problem in the world [1,2]. PE is caused by blockage of pulmonary arteries by thrombus, which is developed in veins and travels through the blood stream. The sources of thrombus are thought to be mostly veins in lower extremities, whereas DVT in upper extremities, which usually refers to thrombosis of the axillary or subclavian veins, rarely occurs spontaneously and sometimes develops as a complication of central venous catheter placement or cancer [3,4]. Historically, DVT in upper extremities was considered as a rare self-limited disease [5,6]. However, recent studies reported that DVT in upper extremities might have significant complications, including PE, loss of vascular access, superior vena cava syndrome, and post-thrombotic syndrome [7,8]. Furthermore, DVT in upper extremities could be increasing, due to widespread use of central venous catheters and increase in cancer survivors.

To date, no randomized controlled trials have evaluated treatment strategies of patients with DVT in upper extremities, leading to uncertainty in optimal treatment strategies including anticoagulation therapy. Furthermore, few studies have evaluated long-term clinical outcomes of patients with DVT in upper extremities. Therefore, we sought to evaluate the clinical characteristics, management strategies, and long-term outcomes of patients with DVT in upper extremities in a large observational database in Japan.

Section snippets

Study population

The COMMAND VTE (COntemporary ManageMent AND outcomes in patients with Venous ThromboEmbolism) registry is a physician-initiated, retrospective, multicenter cohort study enrolling consecutive patients with acute symptomatic VTE objectively confirmed by imaging examinations (ultrasound, contrast-enhanced computed tomography (CT), ventilation-perfusion lung scintigraphy, pulmonary angiography, or contrast venography) or by autopsy among 29 centers in Japan between January 2010 and August 2014.

Patient characteristics

In the entire study population, the mean age was 67 years, 61% were women, and mean body weight and body mass index were 57.6 kg and 23.1 kg/m2, respectively. There were 74 patients (3.0%) with DVT in upper extremities and 2424 patients (97%) with DVT in lower extremities. The baseline patient characteristics were different in several aspects between the 2 groups (Table 1). Patients with DVT in upper extremities were younger, more often had active cancer at diagnosis and central venous catheter

Discussion

The main findings of the current study were as follows; 1) Among patients with DVT in upper or lower extremities, the prevalence of patients with DVT in upper extremities was 3.0%; 2) Patients with DVT in upper extremities more often had central venous catheter placement and active cancer, and less often had concomitant PE; and 3) The risk for recurrent VTE was not significantly different between patients with DVT in upper extremities and those in lower extremities.

DVT in upper extremities is a

Study limitations

The current study has several limitations. First and most importantly, the absolute number of patients with DVT in upper extremities was small (N = 74), although it was derived in a large observational database of patients with VTE. Due to lack of adequate statistical power, we could not conduct detailed analyses among patients with DVT in upper extremities. Therefore, the results of the current study should be regarded as exploratory and hypothesis generating. Especially, as for major

Conclusions

The prevalence of patients with DVT in upper extremities was 3.0% in the current large-scale real-world registry. Patients with DVT in upper extremities more often had active cancer at diagnosis and central venous catheter use as a transient risk factor for VTE, and less often had concomitant PE. Patients with DVT in upper extremities had similar long-term risk for recurrent VTE as those with DVT in lower extremities despite shorter duration of anticoagulation.

Acknowledgements

We appreciate the support and collaboration of the co-investigators participating in the COMMAND VTE Registry. We are indebted to the independent clinical research organization (Research Institute for Production Development, Kyoto, Japan) for technical support.

Conflicts of interest

Dr. Yamashita received lecture fees from Daiichi-Sankyo, Bristol-Myers Squibb, Pfizer, and Bayer Healthcare. Dr. Morimoto received lecture fees from Mitsubishi Tanabe Pharma and Pfizer Japan and consultant fees from Asahi Kasei, Bristol-Myers Squibb, and Boston Scientific. Dr. Akao received lecture fees from Pfizer, Bristol-Myers Squibb, Boehringer Ingelheim, Bayer Healthcare and Daiichi-Sankyo. Dr. Kimura serves as an advisory board member for Abbott Vascular and Terumo Company. All other

Funding

The COMMAND VTE Registry is supported by the independent clinical research organization (Research Institute for Production Development, Kyoto, Japan) and research funding from Mitsubishi Tanabe Pharma Corporation. The research funding had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.

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